September weather forecastOrtillon, France
September
Weather in September
September, the first month of the autumn in Ortillon, is also an agreeable month, with temperature in the range of an average low of 11.5°C (52.7°F) and an average high of 21.3°C (70.3°F).Temperature
The transition to September results in a modest reduction in average high-temperature, moving from a moderately hot 25.3°C (77.5°F) in August to a pleasant 21.3°C (70.3°F). Ortillon experiences a steady low-temperature of 11.5°C (52.7°F) throughout September.Humidity
The average relative humidity in September in Ortillon is 73%.Rainfall
The month with the least rainfall in Ortillon is September, when the rain falls for 11.3 days and typically collects 29mm (1.14") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Ortillon, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 07:01 and sunset at 20:24. On the last day of September, in Ortillon, France, sunrise is at 07:41 and sunset at 19:23 CEST.
Sunshine
The average sunshine in September is 7.9h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 4 during September leads to these advisories:
Make use of precautions - It is urged to ward off sun damage. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ortillon, France
- Average high temperature in September: 21.3°C
The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).
Average pressure in September
Ortillon, France
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is November (1014.3mbar).
Average wind speed in September
Ortillon, France
- Average wind speed in September: 9.8km/h
The windiest month (with the highest average wind speed) is February (13.9km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in September
Ortillon, France
- Average humidity in September: 73%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Ortillon, France
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is June (58mm).
The driest month (with the least rainfall) is September (29mm).
Average rainfall days in September
Ortillon, France
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is September (11.3 days).
Average snowfall in September
Ortillon, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (30mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Ortillon, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Ortillon, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in September
Ortillon, France
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is June (8.4 days).
Average UV index in September
Ortillon, France
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Ortillon, France
- Average cloud cover in September: 35
The months with the most cloud cover are January and December (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in September
Ortillon, France
- Average visibility in September: 9km
The months with the highest visibility are March, April, July, August and September (9km).
The months with the lowest visibility are January, February, May, June, October, November and December (8km).
